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* [patch 06/11] perf_event_open.2: 4.1 add AUX sample support
@ 2015-07-23 17:13 Vince Weaver
       [not found] ` <alpine.DEB.2.20.1507231312240.3742-6xBS8L8d439fDsnSvq7Uqyn2WXadKZNJe7X0jjDqjFGHXe+LvDLADg@public.gmane.org>
  0 siblings, 1 reply; 2+ messages in thread
From: Vince Weaver @ 2015-07-23 17:13 UTC (permalink / raw)
  To: Michael Kerrisk (man-pages)
  Cc: linux-man-u79uwXL29TY76Z2rM5mHXA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA, Peter Zijlstra, Ingo Molnar,
	Arnaldo Carvalho de Melo, Stephane Eranian, Alexander Shishkin,
	Borislav Petkov, Frederic Weisbecker, H. Peter Anvin, Kaixu Xia,
	Linus Torvalds, Mike Galbraith, Robert Richter, Thomas Gleixner,
	adrian.hunter-ral2JQCrhuEAvxtiuMwx3w,
	kan.liang-ral2JQCrhuEAvxtiuMwx3w,
	markus.t.metzger-ral2JQCrhuEAvxtiuMwx3w,
	mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A, Vince Weaver


This manpage patch relates to the addition of the AUX sample type
as added in the following commit:

	commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0
	Author: Alexander Shishkin <alexander.shishkin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>

	perf: Add AUX record

	Signed-off-by: Alexander Shishkin <alexander.shishkin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
	Signed-off-by: Peter Zijlstra (Intel) <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
	Cc: Arnaldo Carvalho de Melo <acme-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
	Cc: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
	Cc: Frederic Weisbecker <fweisbec-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
	Cc: H. Peter Anvin <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
	Cc: Kaixu Xia <kaixu.xia-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
	Cc: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
	Cc: Mike Galbraith <efault-Mmb7MZpHnFY@public.gmane.org>
	Cc: Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>
	Cc: Robert Richter <rric-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
	Cc: Stephane Eranian <eranian-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
	Cc: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
	Cc: adrian.hunter-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
	Cc: kan.liang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
	Cc: markus.t.metzger-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
	Cc: mathieu.poirier-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org
	Link: http://lkml.kernel.org/r/1421237903-181015-7-git-send-email-alexander.shishkin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
	Signed-off-by: Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>


Signed-off-by: Vince Weaver <vincent.weaver-e7X0jjDqjFGHXe+LvDLADg@public.gmane.org>
 
diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index bd6c4c9..dfb0b64 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -2445,6 +2445,39 @@ is the flags information.
 .I filename
 is a string describing the backing of the allocated memory.
 .RE
+.TP
+.BR PERF_RECORD_AUX " (since Linux 4.1)"
+\" commit 68db7e98c3a6ebe7284b6cf14906ed7c55f3f7f0
+This record reports that new data is available in the separate
+AUX buffer region.
+
+.in +4n
+.nf
+struct {
+    struct perf_event_header header;
+    u64 aux_offset;
+    u64 aux_size;
+    u64 flags;
+    struct sample_id sample_id;
+};
+.fi
+.RS
+.TP
+.I aux_offset
+offset in the AUX mmap region where the new data begins.
+.TP
+.I aux_size
+size of the data made available.
+.TP
+.I flags
+describes the aux update.
+.RS
+.TP
+.B PERF_AUX_FLAG_TRUNCATED
+if set then the data returned was truncated to fit the available
+buffer size.
+.RE
+.RE
 .RE
 .SS Overflow handling
 Events can be set to notify when a threshold is crossed,
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2015-07-23 17:13 [patch 06/11] perf_event_open.2: 4.1 add AUX sample support Vince Weaver
     [not found] ` <alpine.DEB.2.20.1507231312240.3742-6xBS8L8d439fDsnSvq7Uqyn2WXadKZNJe7X0jjDqjFGHXe+LvDLADg@public.gmane.org>
2015-10-14  6:32   ` Michael Kerrisk (man-pages)

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